Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| D490619 | Shower seat | 06/01/2004 |
| 5447356 | Chair for disabled persons A chair for disabled persons has a supporting frame, a seat adjustably connected to the supporting frame by a hinge, and a back adjustably connected by a hinge to the rear of the seat. The seat has a front section which lies beneath and supports the upper... | 09/05/1995 |
| 5307528 | Handle A handle for sanitary facilities such as toilet stalls for handicapped persons includes a middle portion with an elongated axis and two end portions which are bent at oblique angles from the axis. Each end portion is received in a projecting portion of a ... | 05/03/1994 |
